Solve the equation by factoring.x2 = x + 20
A. {-4, -5}
B. {4, 5}
C. {1, 20}
D. {-4, 5}
Answer: D
Mathematics
You might also like to view...
Identify the quadrant for the angle ? satisfying the following conditions.cos ? < 0 and csc ? < 0
A. Quadrant I B. Quadrant IV C. Quadrant III D. Quadrant II
Mathematics
A right regular n-gon prism has 64 vertices.
(a) What n-gon is it? Show your work. (b) How many faces does the prism have? (c) How many edges does the prism have?
Mathematics
Write the phrase as a variable expression. Use x to represent "a number."5 decreased by 3 times a number
A. 3 - 5x B. 5x - 3 C. 3x - 5 D. 5 - 3x
Mathematics
Simplify the radical.
A. x B. -|x| C. |x| D. -x
Mathematics